/**

 * UNEVELLO - Index Page Styles

 * 

 * UMÍSTĚNÍ: /www/styles/index.css

 * 

 * Premium - dark mode design s Montserrat fontem

 */



/* ========================================== */

/* FONTS */

/* ========================================== */



@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&display=swap');



/* ========================================== */

/* RESET & BASE */

/* ========================================== */



* {

    margin: 0;

    padding: 0;

    box-sizing: border-box;

}



:root {

    /* Colors */

    --bg-primary: #0a0a0a;

    --bg-secondary: #1a1a1a;

    --bg-tertiary: #2a2a2a;

    --text-primary: #ffffff;

    --text-secondary: #a1a1a1;

    --text-tertiary: #666666;

    --gold-start: #f6d365;

    --gold-end: #fda085;

    --border: rgba(255, 255, 255, 0.08);

    

    /* Spacing */

    --spacing-xs: 8px;

    --spacing-sm: 16px;

    --spacing-md: 24px;

    --spacing-lg: 32px;

    --spacing-xl: 48px;

    --spacing-2xl: 64px;

    --spacing-3xl: 96px;

    

    /* Border Radius */

    --radius-sm: 12px;

    --radius-md: 16px;

    --radius-lg: 20px;

    --radius-xl: 24px;

    --radius-full: 9999px;

    

    /* Shadows */

    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.4);

    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);

    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);

    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.7);

    --shadow-gold: 0 12px 48px rgba(253, 160, 133, 0.6);

    --shadow-gold-hover: 0 20px 64px rgba(253, 160, 133, 0.8);

    

    /* Transitions */

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);

    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

}



body {

    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    background: var(--bg-primary);

    color: var(--text-primary);

    overflow-x: hidden;

    -webkit-font-smoothing: antialiased;

    -moz-osx-font-smoothing: grayscale;

    line-height: 1.6;

}



::selection {

    background: var(--gold-start);

    color: #000;

}



/* ========================================== */

/* LAYOUT */

/* ========================================== */



.container {

    max-width: 1200px;

    margin: 0 auto;

    padding: 0 var(--spacing-md);

}



section {

    padding: var(--spacing-3xl) 0;

    position: relative;

}



/* Section Dividers */

section::after {

    content: '';

    position: absolute;

    bottom: 0;

    left: 50%;

    transform: translateX(-50%);

    width: 80%;

    height: 1px;

    background: linear-gradient(90deg, transparent, var(--border), transparent);

}



section:last-child::after {

    display: none;

}



/* ========================================== */

/* TYPOGRAPHY */

/* ========================================== */



h1, h2, h3, h4, h5, h6 {

    font-family: 'Montserrat', sans-serif;

    font-weight: 900;

    letter-spacing: -0.03em;

    line-height: 1.1;

}



.gradient-text {

    background: linear-gradient(135deg, var(--gold-start) 0%, var(--gold-end) 100%);

    -webkit-background-clip: text;

    -webkit-text-fill-color: transparent;

    background-clip: text;

}



.section-heading {

    font-size: clamp(2.5rem, 7vw, 4rem);

    text-align: center;

    margin-bottom: var(--spacing-2xl);

    font-weight: 900;

}



/* ========================================== */

/* HERO SECTION */

/* ========================================== */



.hero {

    min-height: 100vh;

    display: flex;

    flex-direction: column;

    justify-content: center;

    align-items: center;

    text-align: center;

    padding: 5rem var(--spacing-md) 4rem;

    position: relative;

}



.hero::after {

    display: none;

}



.hero h1 {

    font-family: 'Montserrat', sans-serif;

    font-size: clamp(2.5rem, 7vw, 4.5rem);

    font-weight: 900;

    margin-bottom: var(--spacing-md);

    letter-spacing: -0.04em;

}



.hero-subheading {

    font-size: clamp(1rem, 2.5vw, 1.375rem);

    color: var(--text-secondary);

    max-width: 750px;

    margin: 0 auto var(--spacing-sm);

    line-height: 1.7;

    font-weight: 500;

}



.hero-subheading-free {

    font-size: clamp(1.375rem, 3.5vw, 2rem);

    font-weight: 900;

    color: var(--text-primary);

    margin-top: var(--spacing-md);

    margin-bottom: var(--spacing-xl);

    letter-spacing: -0.02em;

}



.hero-buttons {

    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: var(--spacing-md);

    width: 100%;

    max-width: 800px;

    margin: 0 auto var(--spacing-xl);

}



/* ========================================== */

/* BUTTONS */

/* ========================================== */



.btn {

    display: flex;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    padding: 1.25rem 1.75rem;

    font-size: 1.3rem;

    font-weight: 800;

    text-decoration: none;

    border-radius: var(--radius-lg);

    transition: all var(--transition-base);

    cursor: pointer;

    border: none;

    position: relative;

    overflow: hidden;

    min-height: 105px;

    font-family: 'Montserrat', sans-serif;

    letter-spacing: -0.01em;

}



.btn > span:first-child {

    font-size: 1.3rem;

    line-height: 1.2;

}



.btn-primary {

    background: linear-gradient(135deg, var(--gold-start) 0%, var(--gold-end) 100%);

    color: #000;

    box-shadow: var(--shadow-gold);

}



.btn-primary::before {

    content: '';

    position: absolute;

    inset: 0;

    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), transparent);

    opacity: 0;

    transition: opacity var(--transition-fast);

}



.btn-primary:hover {

    transform: translateY(-6px) scale(1.02);

    box-shadow: var(--shadow-gold-hover);

}



.btn-primary:hover::before {

    opacity: 1;

}



.btn-primary:active {

    transform: translateY(-3px) scale(1.01);

}



.btn-secondary {

    background: rgba(26, 26, 26, 0.8);

    backdrop-filter: blur(20px);

    color: var(--text-primary);

    border: 2px solid var(--border);

}



.btn-secondary:hover {

    border-color: rgba(246, 211, 101, 0.5);

    transform: translateY(-6px) scale(1.02);

    box-shadow: 0 20px 60px rgba(246, 211, 101, 0.2);

    background: rgba(26, 26, 26, 0.95);

}



.btn-secondary:active {

    transform: translateY(-3px) scale(1.01);

}



.btn-hint {

    font-size: 0.875rem;

    font-weight: 500;

    color: var(--text-tertiary);

    margin-top: 0.5rem;

    letter-spacing: 0.01em;

    line-height: 1.3;

}



.btn-primary .btn-hint {

    color: rgba(0, 0, 0, 0.65);

}



/* ========================================== */

/* TRUST BADGE */

/* ========================================== */



.trust-badge {

    display: inline-flex;

    align-items: center;

    gap: var(--spacing-sm);

    padding: 1rem 2rem;

    background: rgba(26, 26, 26, 0.8);

    backdrop-filter: blur(20px);

    -webkit-backdrop-filter: blur(20px);

    border: 1px solid var(--border);

    border-radius: var(--radius-full);

    font-size: 1rem;

    color: var(--text-secondary);

    font-weight: 600;

}



/* ========================================== */

/* PAIN SECTION */

/* ========================================== */



.pain-section {

    background: radial-gradient(ellipse at top, rgba(246, 211, 101, 0.03), transparent 70%);

}



.pain-cards {

    display: grid;

    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));

    gap: var(--spacing-xl);

    max-width: 1100px;

    margin: 0 auto var(--spacing-2xl);

}



.pain-card {

    background: rgba(26, 26, 26, 0.6);

    backdrop-filter: blur(20px);

    -webkit-backdrop-filter: blur(20px);

    border: 1px solid var(--border);

    border-radius: var(--radius-xl);

    padding: 2.5rem;

    transition: all var(--transition-slow);

    position: relative;

}



.pain-card::before {

    content: '';

    position: absolute;

    inset: 0;

    border-radius: var(--radius-xl);

    padding: 1px;

    background: linear-gradient(135deg, transparent, rgba(246, 211, 101, 0.2));

    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);

    -webkit-mask-composite: xor;

    mask-composite: exclude;

    opacity: 0;

    transition: opacity var(--transition-base);

}



.pain-card:hover {

    transform: translateY(-12px);

    box-shadow: var(--shadow-xl);

}



.pain-card:hover::before {

    opacity: 1;

}



.pain-card-icon {

    width: 4.5rem;

    height: 4.5rem;

    background: linear-gradient(135deg, var(--gold-start), var(--gold-end));

    border-radius: var(--radius-lg);

    display: flex;

    align-items: center;

    justify-content: center;

    margin-bottom: var(--spacing-lg);

    box-shadow: var(--shadow-gold);

    transition: all var(--transition-base);

}



.pain-card:hover .pain-card-icon {

    transform: scale(1.15) rotate(8deg);

    box-shadow: var(--shadow-gold-hover);

}



.pain-card-icon svg {

    width: 2.25rem;

    height: 2.25rem;

    stroke: #000;

    stroke-width: 2.5;

}



.pain-card h3 {

    font-size: 1.5rem;

    margin-bottom: var(--spacing-md);

    font-weight: 800;

}



.pain-card p {

    font-size: 1.0625rem;

    line-height: 1.8;

    color: var(--text-secondary);

    margin-bottom: var(--spacing-sm);

    font-weight: 500;

}



.pain-card p:last-child {

    margin-bottom: 0;

}



.pain-transition {

    text-align: center;

    max-width: 850px;

    margin: 0 auto;

    padding-top: var(--spacing-xl);

}



.pain-transition p {

    font-size: 1.125rem;

    line-height: 1.8;

    color: var(--text-secondary);

    margin-bottom: var(--spacing-sm);

    font-weight: 500;

}



.pain-transition-emphasis {

    font-size: 1.375rem;

    font-weight: 800;

    color: var(--text-primary);

    margin-top: var(--spacing-md);

}



/* ========================================== */

/* HOW IT WORKS SECTION */

/* ========================================== */



.howto-section {

    background: linear-gradient(180deg, transparent, rgba(26, 26, 26, 0.3), transparent);

}



.howto-steps {

    max-width: 900px;

    margin: 0 auto;

}



.howto-step {

    display: flex;

    gap: var(--spacing-xl);

    align-items: flex-start;

    margin-bottom: var(--spacing-2xl);

    padding-bottom: var(--spacing-2xl);

    border-bottom: 1px solid var(--border);

}



.howto-step:last-child {

    margin-bottom: 0;

    padding-bottom: 0;

    border-bottom: none;

}



.howto-step-icon {

    flex-shrink: 0;

    width: 5rem;

    height: 5rem;

    background: linear-gradient(135deg, var(--gold-start), var(--gold-end));

    border-radius: var(--radius-lg);

    display: flex;

    align-items: center;

    justify-content: center;

    box-shadow: var(--shadow-gold);

    transition: all var(--transition-base);

}



.howto-step:hover .howto-step-icon {

    transform: scale(1.1) rotate(8deg);

    box-shadow: var(--shadow-gold-hover);

}



.howto-step-icon svg {

    width: 2.75rem;

    height: 2.75rem;

    stroke: #000;

    stroke-width: 2.5;

}



.howto-step-content h3 {

    font-size: 1.625rem;

    margin-bottom: var(--spacing-md);

    font-weight: 800;

}



.howto-step-content p {

    font-size: 1.0625rem;

    line-height: 1.8;

    color: var(--text-secondary);

    margin-bottom: var(--spacing-sm);

    font-weight: 500;

}



.howto-step-content p:last-child {

    margin-bottom: 0;

}



.howto-step-content .emphasis {

    color: var(--text-primary);

    font-weight: 700;

}



/* ========================================== */

/* VALUE SECTION */

/* ========================================== */



.value-section {

    background: radial-gradient(ellipse at bottom, rgba(246, 211, 101, 0.03), transparent 70%);

}



.value-list {

    max-width: 800px;

    margin: 0 auto;

}



.value-item {

    display: flex;

    gap: var(--spacing-md);

    padding: 1.75rem 0;

    border-bottom: 1px solid var(--border);

    transition: all var(--transition-base);

}



.value-item:hover {

    padding-left: var(--spacing-md);

}



.value-item:last-child {

    border-bottom: none;

}



.value-checkmark {

    flex-shrink: 0;

    width: 1.875rem;

    height: 1.875rem;

    background: linear-gradient(135deg, var(--gold-start), var(--gold-end));

    border-radius: 50%;

    display: flex;

    align-items: center;

    justify-content: center;

    margin-top: 0.25rem;

    box-shadow: 0 4px 16px rgba(253, 160, 133, 0.4);

}



.value-checkmark svg {

    width: 1.125rem;

    height: 1.125rem;

    stroke: #000;

    stroke-width: 3;

}



.value-item-content h4 {

    font-size: 1.25rem;

    font-weight: 700;

    margin-bottom: 0.375rem;

}



.value-item-content .hint {

    font-size: 0.9375rem;

    color: var(--text-tertiary);

    font-weight: 500;

}



.value-footer {

    text-align: center;

    font-size: 1.375rem;

    font-weight: 800;

    margin-top: var(--spacing-xl);

    padding-top: var(--spacing-xl);

    border-top: 1px solid var(--border);

}



/* VALUE CTA BUTTON */

.value-cta {

    display: flex;

    justify-content: center;

    margin-top: var(--spacing-lg);

}



.value-cta .btn {

    max-width: 380px;

    width: 100%;

    min-height: 100px;

    padding: 1.25rem 2rem;

    font-size: 1.0625rem;

}



/* ========================================== */

/* FLOATING NAVIGATION */

/* ========================================== */



.floating-nav {

    position: fixed;

    bottom: var(--spacing-md);

    left: 50%;

    transform: translateX(-50%);

    z-index: 1000;

    opacity: 0;

    pointer-events: none;

    transition: all var(--transition-base);

}



.floating-nav.visible {

    opacity: 1;

    pointer-events: all;

}



.floating-nav-inner {

    display: flex;

    gap: var(--spacing-sm);

    padding: var(--spacing-sm);

    background: rgba(26, 26, 26, 0.95);

    backdrop-filter: blur(30px);

    -webkit-backdrop-filter: blur(30px);

    border: 1px solid var(--border);

    border-radius: var(--radius-full);

    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.8);

}



.floating-nav-item {

    display: flex;

    align-items: center;

    gap: var(--spacing-xs);

    padding: 0.75rem 1.25rem;

    font-size: 0.9375rem;

    font-weight: 700;

    text-decoration: none;

    color: var(--text-primary);

    background: transparent;

    border-radius: var(--radius-full);

    transition: all var(--transition-fast);

    white-space: nowrap;

    font-family: 'Montserrat', sans-serif;

}



.floating-nav-item svg {

    width: 1.125rem;

    height: 1.125rem;

    stroke-width: 2.5;

    flex-shrink: 0;

}



.floating-nav-item.primary {

    background: linear-gradient(135deg, var(--gold-start), var(--gold-end));

    color: #000;

    box-shadow: 0 4px 16px rgba(253, 160, 133, 0.5);

}



.floating-nav-item.primary svg {

    stroke: #000;

}



.floating-nav-item.secondary {

    border: 1px solid var(--border);

}



.floating-nav-item:hover {

    transform: scale(1.05);

}



.floating-nav-item.primary:hover {

    box-shadow: 0 8px 24px rgba(253, 160, 133, 0.6);

}



/* ========================================== */

/* RESPONSIVE */

/* ========================================== */



@media (max-width: 1024px) {

    .hero-buttons {

        grid-template-columns: 1fr;

        max-width: 500px;

    }

}



@media (max-width: 768px) {

    section {

        padding: 4rem 0;

    }

    

    .hero {

        padding: 4rem var(--spacing-md) 3rem;

    }

    

    .hero h1 {

        font-size: clamp(2.75rem, 8vw, 3.5rem);

        margin-bottom: var(--spacing-sm);

    }

    

    .hero-buttons {

        grid-template-columns: 1fr;

        max-width: 100%;

    }

    

    .btn {

        padding: 1.125rem 1.5rem;

        font-size: 1.15rem;

        min-height: 95px;

    }

    

    .btn > span:first-child {

        font-size: 1.15rem;

    }

    

    .btn-hint {

        font-size: 0.8125rem;

    }

    

    .value-cta .btn {

        max-width: 100%;

        min-height: 90px;

        font-size: 1rem;

    }

    

    .pain-cards {

        grid-template-columns: 1fr;

        gap: var(--spacing-lg);

    }

    

    .pain-card {

        padding: 2rem;

    }

    

    .pain-card-icon {

        width: 4rem;

        height: 4rem;

    }

    

    .pain-card-icon svg {

        width: 2rem;

        height: 2rem;

    }

    

    .howto-step {

        flex-direction: column;

        gap: var(--spacing-lg);

    }

    

    .howto-step-icon {

        width: 4.5rem;

        height: 4.5rem;

    }

    

    .howto-step-icon svg {

        width: 2.25rem;

        height: 2.25rem;

    }

    

    .value-item:hover {

        padding-left: 0;

    }

    

    /* FLOATING NAV - MOBILE FIX */

    .floating-nav {

        bottom: var(--spacing-md);

        left: var(--spacing-md);

        right: var(--spacing-md);

        transform: none;

        width: auto;

    }

    

    .floating-nav-inner {

        width: 100%;

        display: grid;

        grid-template-columns: repeat(2, 1fr);

        gap: var(--spacing-xs);

        padding: var(--spacing-xs);

    }

    

    .floating-nav-item {

        justify-content: center;

        padding: 0.875rem 1rem;

        font-size: 0.875rem;

    }

}



@media (max-width: 480px) {

    .floating-nav-item {

        padding: 0.75rem 0.875rem;

        font-size: 0.8125rem;

        gap: 6px;

    }

    

    .floating-nav-item svg {

        width: 1rem;

        height: 1rem;

    }

}



/* ========================================== */

/* PWA SAFE AREAS */

/* ========================================== */



@media (display-mode: standalone) {

    body {

        padding-top: env(safe-area-inset-top);

        padding-bottom: env(safe-area-inset-bottom);

        padding-left: env(safe-area-inset-left);

        padding-right: env(safe-area-inset-right);

    }

    

    .floating-nav {

        bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));

    }

}



/* ========================================== */

/* ANIMATIONS */

/* ========================================== */



@keyframes fadeInUp {

    from {

        opacity: 0;

        transform: translateY(40px);

    }

    to {

        opacity: 1;

        transform: translateY(0);

    }

}



@keyframes scaleIn {

    from {

        opacity: 0;

        transform: scale(0.9);

    }

    to {

        opacity: 1;

        transform: scale(1);

    }

}



/* Smooth scroll behavior */

html {

    scroll-behavior: smooth;

}



/* Loading animation for icons */

[data-lucide] {

    animation: scaleIn 0.3s ease-out;

}